diff --git a/classes/Crypt.php b/classes/Crypt.php
index d832e6530..2b3a7b788 100644
--- a/classes/Crypt.php
+++ b/classes/Crypt.php
@@ -1,15 +1,15 @@
 <?php
 class Crypt {
 
-   /** the only algo supported at the moment */
+	/** the only algo supported at the moment */
 	private const ENCRYPT_ALGO = 'xchacha20poly1305_ietf';
 
-   /** currently only generates keys using sodium_crypto_aead_chacha20poly1305_keygen() i.e. one supported Crypt::ENCRYPT_ALGO
-    * @return string random 256-bit (for ChaCha20-Poly1305) binary string
-   */
-   static function generate_key() : string {
-      return sodium_crypto_aead_chacha20poly1305_keygen();
-   }
+	/** currently only generates keys using sodium_crypto_aead_chacha20poly1305_keygen() i.e. one supported Crypt::ENCRYPT_ALGO
+	 * @return string random 256-bit (for ChaCha20-Poly1305) binary string
+	*/
+	static function generate_key() : string {
+		return sodium_crypto_aead_chacha20poly1305_keygen();
+	}
 
 	/** encrypts provided ciphertext using Config::ENCRYPTION_KEY into an encrypted object
 	 *
@@ -18,8 +18,8 @@ class Crypt {
 	static function encrypt_string(string $ciphertext) : array {
 		$key = Config::get(Config::ENCRYPTION_KEY);
 
-      if (!$key)
-         throw new Exception("Crypt::encrypt_string() failed to encrypt - key is not available");
+		if (!$key)
+			throw new Exception("Crypt::encrypt_string() failed to encrypt - key is not available");
 
 		$nonce = \random_bytes(\SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES);
 
@@ -47,16 +47,16 @@ class Crypt {
 	static function decrypt_string(array $encrypted_data) : string {
 		$key = Config::get(Config::ENCRYPTION_KEY);
 
-      if (!$key)
-         throw new Exception("Crypt::decrypt_string() failed to decrypt - key is not available");
+		if (!$key)
+			throw new Exception("Crypt::decrypt_string() failed to decrypt - key is not available");
 
-      // only one is supported for the time being
-      switch ($encrypted_data['algo']) {
-         case self::ENCRYPT_ALGO:
-            return sodium_crypto_aead_xchacha20poly1305_ietf_decrypt($encrypted_data['payload'], '', $encrypted_data['nonce'], hex2bin($key));
-      }
+		// only one is supported for the time being
+		switch ($encrypted_data['algo']) {
+			case self::ENCRYPT_ALGO:
+				return sodium_crypto_aead_xchacha20poly1305_ietf_decrypt($encrypted_data['payload'], '', $encrypted_data['nonce'], hex2bin($key));
+		}
 
-      throw new Exception('Crypt::decrypt_string() failed to decrypt passed encrypted data object, unsupported algo: ' . $encrypted_data['algo']);
+		throw new Exception('Crypt::decrypt_string() failed to decrypt passed encrypted data object, unsupported algo: ' . $encrypted_data['algo']);
 	}
 
 }
\ No newline at end of file